Phase 1: Cybersecurity Fundamentals
Every expert was once a beginner. This phase gives you the mental models, vocabulary, and intuition you need before anything else. By the end, you'll understand how attackers think, what defenders protect, and why cryptography is the cornerstone of it all.
What is Cybersecurity?
The big picture — what we're protecting, who we're protecting it from, and why it matters more than ever in 2025.
Start here →The CIA Triad
Confidentiality, Integrity, Availability — the three pillars every security decision is measured against.
Learn the CIA triad →Types of Cyber Threats & Attacks
Malware, phishing, man-in-the-middle, ransomware, SQL injection — learn what attackers actually do.
Know your enemy →Networking Basics for Security
TCP/IP, DNS, firewalls, and ports — you can't defend a network you don't understand.
Explore networking →Authentication & Authorization
Who are you? What are you allowed to do? The difference between these two questions underpins every access control system.
Explore access control →